United States. Army. Signal Corps

• The Homing Pigeon
• Visual Signaling
• Annual Report
• Annual Report Of The Chief Signal Officer
• Annual Report Of The Chief Signal Officer Made To The Secretary Of War For The Year ..., Part 1
• Basic field manual
• Bulletin Of International Meteorology
• Catalogue Of Official A.e.f. Photographs, Volume 2
• Electrical Instruments and Telephones of the U.S. Signal Corps
• Elementary electricity
• General, property and disbursing regulations
• History of the Signal Service, With Catalogue of Publications, Instruments and Stations